src/mac/carbon/radiobut.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobut.cpp
   3 // Purpose:     wxRadioButton
   4 // Author:      AUTHOR
   5 // Modified by: JS Lair (99/11/15) adding the cyclic groupe notion for radiobox
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "radiobut.h"
  14 #endif
  15
  16 #include "wx/radiobut.h"
  17
  18
  19 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
  20
  21 #include <wx/mac/uma.h>
  22
  23 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
  24                    const wxString& label,
  25            const wxPoint& pos,
  26            const wxSize& size, long style,
  27            const wxValidator& validator,
  28            const wxString& name)
  29 {
  30         Rect bounds ;
  31         Str255 title ;
  32
  33         MacPreControlCreate( parent , id ,  label , pos , size ,style, validator , name , &bounds , title ) ;
  34
  35         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , 0 , 1,
  36                 kControlRadioButtonProc , (long) this ) ;
  37
  38         MacPostControlCreate() ;
  39
  40   m_cycle = this ;
  41
  42   if (HasFlag(wxRB_GROUP))
  43   {
  44           AddInCycle( NULL ) ;
  45   }
  46   else
  47   {
  48     /* search backward for last group start */
  49     wxRadioButton *chief = (wxRadioButton*) NULL;
  50     wxWindowList::Node *node = parent->GetChildren().GetLast();
  51     while (node)
  52     {
  53       wxWindow *child = node->GetData();
  54       if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) )
  55       {
  56           chief = (wxRadioButton*) child;
  57          if (child->HasFlag(wxRB_GROUP)) break;
  58       }
  59       node = node->GetPrevious();
  60     }
  61     AddInCycle( chief ) ;
  62   }
  63     return TRUE;
  64 }
  65
  66 void wxRadioButton::SetValue(bool val)
  67 {
  68         int i;
  69         wxRadioButton *cycle;
  70           if ( GetControlValue( m_macControl ) == val )
  71             return ;
  72
  73    ::SetControlValue( m_macControl , val ) ;
  74    if (val)
  75    {
  76                 cycle=this->NextInCycle();
  77                 if (cycle!=NULL) {
  78                         while (cycle!=this) {
  79                                 cycle->SetValue(false);
  80                                 cycle=cycle->NextInCycle();
  81                                 }
  82                         }
  83                 }
  84 }
  85
  86 bool wxRadioButton::GetValue() const
  87 {
  88     return ::GetControlValue( m_macControl ) ;
  89 }
  90
  91 void wxRadioButton::Command (wxCommandEvent & event)
  92 {
  93   SetValue ( (event.GetInt() != 0) );
  94   ProcessCommand (event);
  95 }
  96
  97 void wxRadioButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  98 {
  99     if ( GetValue() )
 100       return ;
 101
 102           wxRadioButton *cycle, *old = NULL ;
 103     cycle=this->NextInCycle();
 104     if (cycle!=NULL) {
 105           while (cycle!=this) {
 106             if ( cycle->GetValue() ) {
 107               old = cycle ;
 108                     cycle->SetValue(false);
 109                   }
 110                   cycle=cycle->NextInCycle();
 111                 }
 112     }
 113
 114           SetValue(true) ;
 115
 116     if ( old ) {
 117       wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, old->m_windowId );
 118       event.SetEventObject(old);
 119       event.SetInt( false );
 120       old->ProcessCommand(event);
 121     }
 122     wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
 123     event2.SetEventObject(this);
 124     event2.SetInt( true );
 125     ProcessCommand(event2);
 126 }
 127
 128 wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle)
 129 {
 130         wxRadioButton *next,*current;
 131
 132         if (cycle==NULL) {
 133                 m_cycle=this;
 134                 return(this);
 135                 }
 136         else {
 137                 current=cycle;
 138                 while ((next=current->m_cycle)!=cycle)
 139                   current=current->m_cycle;
 140                 m_cycle=cycle;
 141                 current->m_cycle=this;
 142                 return(cycle);
 143         }
 144 }